Shenzhou 4 STM32F107V development board of the source. Buzzer of the source. Hope useful to you.

03 BEEP
.......\Libraries
.......\.........\CMSIS
.......\.........\.....\CM3
.......\.........\.....\...\CoreSupport
.......\.........\.....\...\...........\core_cm3.c
.......\.........\.....\...\...........\core_cm3.h
.......\.........\.....\...\DeviceSupport
.......\.........\.....\...\.............\ST
.......\.........\.....\...\.............\..\Release_Notes_for_STM32F10x_CMSIS.html
.......\.........\.....\...\.............\..\STM32F10x
.......\.........\.....\...\.............\..\.........\startup
.......\.........\.....\...\.............\..\.........\.......\arm
.......\.........\.....\...\.............\..\.........\.......\...\startup_stm32f10x_cl.s
.......\.........\.....\...\.............\..\.........\.......\...\startup_stm32f10x_hd.s
.......\.........\.....\...\.............\..\.........\.......\...\startup_stm32f10x_ld.s
.......\.........\.....\...\.............\..\.........\.......\...\startup_stm32f10x_ld_vl.s
.......\.........\.....\...\.............\..\.........\.......\...\startup_stm32f10x_md.s
.......\.........\.....\...\.............\..\.........\.......\...\startup_stm32f10x_md_vl.s
.......\.........\.....\...\.............\..\.........\.......\...\startup_stm32f10x_xl.s
.......\.........\.....\...\.............\..\.........\.......\gcc_ride7
.......\.........\.....\...\.............\..\.........\.......\.........\startup_stm32f10x_cl.s
.......\.........\.....\...\.............\..\.........\.......\.........\startup_stm32f10x_hd.s
.......\.........\.....\...\.............\..\.........\.......\.........\startup_stm32f10x_ld.s
.......\.........\.....\...\.............\..\.........\.......\.........\startup_stm32f10x_ld_vl.s
.......\.........\.....\...\.............\..\.........\.......\.........\startup_stm32f10x_md.s
.......\.........\.....\...\.............\..\.........\.......\.........\startup_stm32f10x_md_vl.s
.......\.........\.....\...\.............\..\.........\.......\.........\startup_stm32f10x_xl.s
.......\.........\.....\...\.............\..\.........\.......\iar
.......\.........\.....\...\.............\..\.........\.......\...\startup_stm32f10x_cl.s
.......\.........\.....\...\.............\..\.........\.......\...\startup_stm32f10x_hd.s
.......\.........\.....\...\.............\..\.........\.......\...\startup_stm32f10x_ld.s
.......\.........\.....\...\.............\..\.........\.......\...\startup_stm32f10x_ld_vl.s
.......\.........\.....\...\.............\..\.........\.......\...\startup_stm32f10x_md.s
.......\.........\.....\...\.............\..\.........\.......\...\startup_stm32f10x_md_vl.s
.......\.........\.....\...\.............\..\.........\.......\...\startup_stm32f10x_xl.s
.......\.........\.....\...\.............\..\.........\.......\TrueSTUDIO
.......\.........\.....\...\.............\..\.........\.......\..........\startup_stm32f10x_cl.s
.......\.........\.....\...\.............\..\.........\.......\..........\startup_stm32f10x_hd.s
.......\.........\.....\...\.............\..\.........\.......\..........\startup_stm32f10x_ld.s
.......\.........\.....\...\.............\..\.........\.......\..........\startup_stm32f10x_ld_vl.s
.......\.........\.....\...\.............\..\.........\.......\..........\startup_stm32f10x_md.s
.......\.........\.....\...\.............\..\.........\.......\..........\startup_stm32f10x_md_vl.s
.......\.........\.....\...\.............\..\.........\.......\..........\startup_stm32f10x_xl.s
.......\.........\.....\...\.............\..\.........\stm32f10x.h
.......\.........\.....\...\.............\..\.........\system_stm32f10x.c
.......\.........\.....\...\.............\..\.........\system_stm32f10x.h
.......\.........\.....\CMSIS debug support.htm
.......\.........\.....\CMSIS_changes.htm
.......\.........\.....\Documentation
.......\.........\.....\.............\CMSIS_Core.htm
.......\.........\.....\License.doc
.......\.........\STM32F10x_StdPeriph_Driver
.......\.........\..........................\inc
.......\.........\..........................\...\misc.h
.......\.........\..........................\...\stm32f10x_adc.h
.......\.........\......

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